StockedWaters

Donnley Reservoir Fish Stocking

Montana · 19561966 on record

Source: Montana fish & wildlife agency· updated 1966-04-21

According to Montana fish & wildlife agency, Donnley Reservoir was last stocked April 21, 1966 with Rainbow Trout. Donnley Reservoir has 13 stocking records on file, spanning 1956–1966, with about 62,832 fish stocked over that period.

April 21, 1966
Last stocked
62,832
Fish stocked
2
Species
13
Stocking records

When Donnley Reservoir is stocked

Donnley Reservoir is typically stocked in spring, most often in April — 7 stocking events in that peak month.

How Donnley Reservoir's stockings spread across the calendar year.

Nearby stocked waters

Other stocked waters near Donnley Reservoir, freshest activity first.

Stocking history

Most recent stockings first. Dates shown at the precision the agency reported.

DateSpeciesNumberSizeSource
April 21, 1966Rainbow Trout2,54110"Montana fish & wildlife agency
October 13, 1965Rainbow Trout4,0008"Montana fish & wildlife agency
May 14, 1965Rainbow Trout2,10010"Montana fish & wildlife agency
April 14, 1964Rainbow Trout3,5009"Montana fish & wildlife agency
April 13, 1964Rainbow Trout2,50010"Montana fish & wildlife agency
April 16, 1963Rainbow Trout3,0009"Montana fish & wildlife agency
March 21, 1963Rainbow Trout3,7809"Montana fish & wildlife agency
April 5, 1962Rainbow Trout5,0008"Montana fish & wildlife agency
Show 5 more stocking records
DateSpeciesNumberSizeSource
April 22, 1960Rainbow Trout5,0400Montana fish & wildlife agency
April 23, 1959Rainbow Trout4,9006"Montana fish & wildlife agency
May 8, 1958Rainbow Trout4,9560Montana fish & wildlife agency
September 24, 1957Rainbow Trout10,0052"Montana fish & wildlife agency
June 4, 1956Brown Trout11,5103"Montana fish & wildlife agency

Frequently asked

When was Donnley Reservoir last stocked?

According to Montana fish & wildlife agency, Donnley Reservoir was last stocked April 21, 1966 with Rainbow Trout.

What fish species are stocked in Donnley Reservoir?

Donnley Reservoir is stocked with Rainbow Trout and Brown Trout.

What time of year is Donnley Reservoir stocked?

Donnley Reservoir is typically stocked in spring, most often in April.

How often is Donnley Reservoir stocked?

Donnley Reservoir is stocked intermittently — 13 recorded stockings between 1956 and 1966.

How many fish have been stocked in Donnley Reservoir?

About 62,832 fish have been stocked in Donnley Reservoir across 13 recorded events since 1956, per Montana fish & wildlife agency.

What size are the fish stocked in Donnley Reservoir?

Fish stocked in Donnley Reservoir average about 7.6 inches, based on the sizes the agency reported.

How this is calculated: compiled automatically from Montana fish & wildlife agency open data — normalized, date-validated, and shown only at the precision the agency reported. Sources & methodology →

Compiled by .